Homeotic genes ________
A) have very different sequences in plant cells as compared to animal cells
B) are an example of convergent evolution
C) are evidence of the common ancestry of eukaryotic organisms
D) regulate gene expression in both prokaryotic and eukaryotic cells
C
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Organisms that make their own nutrients by capturing energy from nonliving resources (solar energy) are called
A. detritivores. B. parasites. C. decomposers. D. consumers. E. producers.
If a chromosome in one of your bone cells becomes mutated, you will not pass this mutation on to your children because
A. germ cells cannot undergo mitosis. B. germ cells cannot undergo meiosis. C. somatic cells cannot undergo meiosis. D. somatic cells cannot undergo mitosis. E. germ cells neither undergo mitosis nor meiosis.
Why is the energy generated from the catabolism of sugars and other macromolecules ultimately harnessed to generate ATP?
A. ATP can be used by cells to drive endergonic reactions. B. ATP is required to generate the proton gradient in the intermembrane space of mitochondria. C. ATP synthesis is an exergonic reaction. D. ATP can be used to make RNA, which is an energy storage molecule in the cell.
Which of the following is/are common to chemiosmosis and the light-dependent reactions of photosynthesis?
A) reduction of NADP+ only B) electron transport only C) a proton gradient only D) both electron transport and a proton gradient E) electron transport, a proton gradient, and reduction of NADP+